… the real issue is not whether they should become bilingual, but how to best support them in their life with two or more languages. (E. Kay-Raining Bird)
I’ve written about the topic quite a few times over the years, because it is one that causes parents great concern. It is also a topic where misinformation is rife – one of the most common pieces of poor advice that parents get is from speech and language therapists, telling them their child is language delayed because they are bilingual. This is an incorrect presumption, but all too common. The following advice is almost always to drop a language, and of course, the language to be dropped is one of the home languages. The potential consequences for a child losing access to a language they have been exposed to all their life range from social isolation within the family to insufficient cognitive development, but they are always significant and avoidable. The article linked below is an interview with Elizabeth Kay-Raining Bird, who has been researching bilingualism in children with three different profiles: SLI (Specific Language Impairment), Down’s Syndrome, and ASD (Austism Spectrum Disorders).
The full article is on Francois Grosjean’s great blog Life as a Bilingual.